diff --git a/web/workspace/vite.config.ts b/web/workspace/vite.config.ts
index 21556da02..34816d901 100644
--- a/web/workspace/vite.config.ts
+++ b/web/workspace/vite.config.ts
@@ -19,7 +19,9 @@ export default defineConfig({
       ignored: [
         "**/.tmp*",
         "**/.tmp*/**",
+        // Config bundling creates and immediately deletes these files.
         "**/vite.config.*.timestamp-*.mjs",
+        "**/vitest.config.*.timestamp-*.mjs",
       ],
     },